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Acids and Bases : Chemistry
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Practice Test
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Question 1 of 33
What is the pH range of a strong acid?
Choose 1 answer
0-3
4-6
7
8-14
Question 2 of 33
Which of the following is a property of a base?
Choose 1 answer
Turns blue litmus paper red
Reacts with metals to produce hydrogen gas
Tastes sour
Feels slippery
Question 3 of 33
What is the pH of a neutral solution?
Choose 1 answer
0
3
7
14
Question 4 of 33
Which acid is found in vinegar?
Choose 1 answer
Sulfuric acid
Acetic acid
Citric acid
Hydrochloric acid
Question 5 of 33
What is the conjugate base of hydrochloric acid (HCl)?
Choose 1 answer
Cl-
H3O+
H2O
H2Cl+
Question 6 of 33
What is the name of the scale used to measure the acidity or basicity of a solution?
Choose 1 answer
Bohr scale
pH scale
Redox scale
Solubility scale
Question 7 of 33
Which of the following substances is a strong base?
Choose 1 answer
Sodium chloride
Ammonia
Sodium hydroxide
Potassium bromide
Question 8 of 33
Which of the following is an example of a weak acid?
Choose 1 answer
Sulfuric acid
Hydrochloric acid
Acetic acid
Nitric acid
Question 9 of 33
What color does phenolphthalein turn in a basic solution?
Choose 1 answer
Red
Blue
Colorless
Pink
Question 10 of 33
What type of reaction occurs when an acid reacts with a base?
Choose 1 answer
Oxidation-reduction
Neutralization
Decomposition
Combustion
Question 11 of 33
Which of the following is a property of acids?
Choose 1 answer
Feels slippery
Tastes bitter
Turns red litmus paper blue
Tastes sour
Question 12 of 33
Which acid is used in car batteries?
Choose 1 answer
Sulfuric acid
Nitric acid
Hydrochloric acid
Phosphoric acid
Question 13 of 33
What is the pH of a typical soda?
Choose 1 answer
1-2
4-5
6-7
8-9
Question 14 of 33
Which of the following is a characteristic of a strong base?
Choose 1 answer
High pH
Low pH
Neutral pH
Turns red litmus paper blue
Question 15 of 33
Which substance is commonly used to neutralize acids in the stomach?
Choose 1 answer
Sodium chloride
Calcium carbonate
Acetic acid
Ammonia
Question 16 of 33
What happens to the pH of a solution when an acid is added?
Choose 1 answer
Increases
Decreases
Stays the same
Becomes neutral
Question 17 of 33
What is the general formula for an acid?
Choose 1 answer
HA
H2O
HCl
NaOH
Question 18 of 33
Which of the following compounds is a Lewis acid?
Choose 1 answer
H2O
NH3
BF3
CH4
Question 19 of 33
Which of the following is a common household base?
Choose 1 answer
Vinegar
Baking soda
Lemon juice
Hydrochloric acid
Question 20 of 33
What is the conjugate acid of ammonia (NH3)?
Choose 1 answer
NH4+
NH2-
NH3
N2
Question 21 of 33
Which substance is known as a universal indicator?
Choose 1 answer
Litmus paper
Phenolphthalein
Bromothymol blue
pH paper
Question 22 of 33
What is the term for the process of neutralizing an acid with a base?
Choose 1 answer
Titration
Oxidation
Reduction
Hydrolysis
Question 23 of 33
Which of the following is a weak base?
Choose 1 answer
Sodium hydroxide
Potassium hydroxide
Ammonia
Calcium hydroxide
Question 24 of 33
What is the role of an acid in a buffer solution?
Choose 1 answer
To neutralize the base
To increase the pH
To change the color
To decrease the pH
Question 25 of 33
Which of the following is a property of bases when dissolved in water?
Choose 1 answer
They release hydrogen ions
They release hydroxide ions
They turn litmus paper red
They taste sour
Question 26 of 33
What is the chemical formula of sulfuric acid?
Choose 1 answer
HCl
H2SO4
HNO3
CH3COOH
Question 27 of 33
Which ion is responsible for the acidic properties of a solution?
Choose 1 answer
Hydroxide ion (OH-)
Hydrogen ion (H+)
Sulfate ion (SO4^2-)
Chloride ion (Cl-)
Question 28 of 33
What is the term for a substance that can act as both an acid and a base?
Choose 1 answer
Amphoteric
Neutral
Ionic
Basic
Question 29 of 33
Which of the following is not an acid?
Choose 1 answer
Citric acid
Sulfuric acid
Sodium hydroxide
Hydrochloric acid
Question 30 of 33
Which of the following indicators turns red in an acidic solution?
Choose 1 answer
Litmus paper
Phenolphthalein
Bromothymol blue
Methyl orange
Question 31 of 33
What is the conjugate base of sulfuric acid (H2SO4)?
Choose 1 answer
HSO4-
SO4^2-
H3O+
H2SO3
Question 32 of 33
Which of the following is used to measure the pH of a solution?
Choose 1 answer
Thermometer
Barometer
pH meter
Hydrometer
Question 33 of 33
Which compound is formed when an acid reacts with a carbonate?
Choose 1 answer
Salt
Water
Carbon dioxide
All of the above
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